22424140221402 has 16 divisors (see below), whose sum is σ = 44921442408480. Its totient is φ = 7462519746192.

The previous prime is 22424140221397. The next prime is 22424140221443. The reversal of 22424140221402 is 20412204142422.

It is a self number, because there is not a number n which added to its sum of digits gives 22424140221402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048411252 + ... + 3048418607.

It is an arithmetic number, because the mean of its divisors is an integer number (2807590150530).

Almost surely, 2^{22424140221402} is an apocalyptic number.

22424140221402 is an abundant number, since it is smaller than the sum of its proper divisors (22497302187078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22424140221402 is a wasteful number, since it uses less digits than its factorization.

22424140221402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6096830477.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 22424140221402 its reverse (20412204142422), we get a palindrome (42836344363824).

The spelling of 22424140221402 in words is "twenty-two trillion, four hundred twenty-four billion, one hundred forty million, two hundred twenty-one thousand, four hundred two".